Files
kaizen/src/frontend/InputSettings.cpp
2025-05-27 08:42:41 +02:00

155 lines
4.2 KiB
C++

#include <InputSettings.hpp>
#include <log.hpp>
#include <SDL3/SDL.h>
bool QueryDevices(void *userdata, SDL_Event *event);
bool PollGamepad(void *userdata, SDL_Event *event);
InputSettings::InputSettings(nlohmann::json &settings) : settings(settings) {
int i = 0;
for(auto& kb : kbButtons) {
auto field = JSONGetField<std::string>(settings, "input", kb.getName());
kb.setLabel(field != "" ? field : "##unsetButton" + std::to_string(i++));
}
devices.addItem({"Keyboard/Mouse"});
SDL_InitSubSystem(SDL_INIT_GAMEPAD);
SDL_AddEventWatch(QueryDevices, this);
SDL_AddEventWatch(PollGamepad, this);
}
bool InputSettings::render() {
if(devices.render()) {
auto currentlySelectedDevice = devices.getCurrentlySelected();
JSONSetField<std::string>(settings, "input", "Device", currentlySelectedDevice);
selectedDeviceIsNotKeyboard = currentlySelectedDevice == "Keyboard/Mouse";
modified = true;
}
int i = 0;
for(auto& kb : kbButtons) {
if(kb.render()) {
devices.setEnabled(false);
for (auto &otherKb : kbButtons) {
otherKb.setEnabled(false);
}
whichGrabbing = i;
}
if((i % 2 == 0) || i == 0) // only go down every 2 buttons... just... i like it this way
ImGui::SameLine();
i++;
}
return modified;
}
std::array<SDL_Keycode, 18> InputSettings::GetMappedKeys() {
std::array<SDL_Keycode, 18> ret{};
int i = 0;
for (auto& kb : kbButtons) {
ret[i++] = SDL_GetKeyFromName(kb.getLabel().c_str());
}
return ret;
}
bool QueryDevices(void *userdata, SDL_Event *event) {
auto _this = (InputSettings*)userdata;
if (!_this->devices.isEnabled())
return false;
switch (event->type) {
case SDL_EVENT_GAMEPAD_ADDED:
{
const auto index = event->gdevice.which;
const auto gamepad = SDL_OpenGamepad(index);
Util::info("Found controller!");
const auto serial = SDL_GetGamepadSerial(gamepad);
const auto name = SDL_GetGamepadName(gamepad);
const auto path = SDL_GetGamepadPath(gamepad);
if (name) {
if (!_this->gamepadIndexes.contains(index)) {
_this->gamepadIndexes[index] = name;
}
_this->devices.addItem({name});
} else if (serial) {
if (!_this->gamepadIndexes.contains(index)) {
_this->gamepadIndexes[index] = serial;
}
_this->devices.addItem({serial});
} else if (path) {
if (!_this->gamepadIndexes.contains(index)) {
_this->gamepadIndexes[index] = path;
}
_this->devices.addItem({path});
}
SDL_CloseGamepad(gamepad);
}
return true;
case SDL_EVENT_GAMEPAD_REMOVED:
{
const auto index = event->gdevice.which;
if (_this->gamepadIndexes.contains(index))
_this->devices.removeItem(_this->gamepadIndexes[index]);
}
return true;
default:
return false;
}
}
bool PollGamepad(void *userdata, SDL_Event *event) {
auto _this = (InputSettings*)userdata;
switch (event->type) {
case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
{
if (!_this->selectedDeviceIsNotKeyboard)
return false;
const auto k = SDL_GetGamepadStringForButton(static_cast<SDL_GamepadButton>(event->gbutton.button));
JSONSetField<std::string>(_this->settings, "input", _this->kbButtons[_this->whichGrabbing].getName(), k);
_this->kbButtons[_this->whichGrabbing].setLabel(k);
_this->devices.setEnabled(true);
for (auto &kbButton : _this->kbButtons) {
kbButton.setEnabled(true);
}
_this->grabbing = false;
_this->whichGrabbing = -1;
_this->modified = true;
}
return true;
case SDL_EVENT_KEY_DOWN:
{
if (_this->selectedDeviceIsNotKeyboard)
return false;
const auto k = SDL_GetKeyName(event->key.key);
JSONSetField<std::string>(_this->settings, "input", _this->kbButtons[_this->whichGrabbing].getName(), k);
_this->kbButtons[_this->whichGrabbing].setLabel(k);
_this->devices.setEnabled(true);
for (auto &kbButton : _this->kbButtons) {
kbButton.setEnabled(true);
}
_this->grabbing = false;
_this->whichGrabbing = -1;
_this->modified = true;
}
return true;
default:
return false;
}
}